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Francis Ngannou is one of the strongest UFC heavyweights with fantastic punching power. Its power is both impressive and intimidating. Sometimes, it gets really scary for his rivals. This article is about the most powerful and frightening knockouts.
Luis Henrique
![5 times when it got scary for Francis Ngannou's rivals [+ video].](https://avatars.mds.yandex.net/get-zen_doc/1907878/pub_60316140084cc3452456384a_604f8a606c861f01078064a9/scale_1200 "https://sportsandworld.com/5-times-when-it-got-scary-for-francis-ngannous-rivals-video.html")
Francis Ngannou made his UFC debut in 2015 at UFC on Fox 17. Despite the fact that already in the second round, Francis began to noticeably tired, his punching power was enough to completely knock out his opponent.
Bilal Tahtahi
![5 times when it got scary for Francis Ngannou's rivals [+ video].](https://avatars.mds.yandex.net/get-zen_doc/3774499/pub_60316140084cc3452456384a_604f4bb9011181447b1c57d3/orig "https://sportsandworld.com/5-times-when-it-got-scary-for-francis-ngannous-rivals-video.html")
This was only Francis Ngannou’s fourth fight in MMA. Bilal Tahtahi, who has extensive experience in kickboxing, was considered a clear favorite in this fight. However, already in the first round, Ngannu struck a powerful right straight, after which the opponent ended up in the hardest knockout.
Kein Velazquez
![5 times when it got scary for Francis Ngannou's rivals [+ video].](https://avatars.mds.yandex.net/get-zen_doc/3946659/pub_60316140084cc3452456384a_604f4bc1af41a36641c218ef/scale_1200 "https://sportsandworld.com/5-times-when-it-got-scary-for-francis-ngannous-rivals-video.html")
Former UFC Heavyweight Champion Kein Velasquez was returning to the Octagon after more than two years of downtime. Despite this, many fans believed in Kane’s wrestling skills and preferred him in this confrontation. Just a few seconds after the start of the fight, Francis Ngannou showed that he is capable of knocking out any opponent. After a hard hit, Kein’s legs buckled so that everyone was scared for him, and Francis had no problems carrying out a confident finishing move.
Jairzinho Rozenstruik
![5 times when it got scary for Francis Ngannou's rivals [+ video].](https://avatars.mds.yandex.net/get-zen_doc/3579604/pub_60316140084cc3452456384a_604f4bce0a7d51654a9ddbe0/scale_1200 "https://sportsandworld.com/5-times-when-it-got-scary-for-francis-ngannous-rivals-video.html")
In the fight Ngannou vs Rozenstruik, which took place at UFC 249, the latter did not have time to do anything at all. Ngannou went on the attack in the very first seconds of the battle and quickly caught Rozenstruik, retreating in a straight line, by surprise. As a result, the hardest knockout and another early victory for Francis Ngannou.
Alistair Overeem
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The knockout that went into all the 2017 cuts that brought Francis to the title fight. In this battle, Alistair was as careful as possible and seemed to be fighting the battle very competently. However, in the very first exchange, he missed a powerful uppercut, after which many really became afraid for his life and health.